Evaluation of Kisspeptin Glucose-Stimulated Insulin Secretion With Oral Glucose Tolerance Test
2 other identifiers
interventional
16
1 country
1
Brief Summary
The goal of this study is to understand how exogenous kisspeptin affects metabolism by evaluating responses to an oral glucose tolerance test
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at below P25 for phase_1
Started Oct 2021
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
July 1, 2021
CompletedFirst Posted
Study publicly available on registry
July 12, 2021
CompletedStudy Start
First participant enrolled
October 28, 2021
CompletedPrimary Completion
Last participant's last visit for primary outcome
October 31, 2022
CompletedStudy Completion
Last participant's last visit for all outcomes
October 31, 2022
CompletedResults Posted
Study results publicly available
December 12, 2024
CompletedMarch 6, 2026
November 1, 2024
1 year
July 1, 2021
November 8, 2024
February 13, 2026
Conditions
Outcome Measures
Primary Outcomes (1)
Oral Glucose Sensitivity Index (Kisspeptin-Placebo)
Change in Oral glucose Sensitivity Index between kisspeptin and placebo arms in oral glucose tolerance test
3 hours
Study Arms (2)
Kisspeptin
EXPERIMENTAL• Intravenous administration of kisspeptin 112-121 x 16 hours
Placebo
PLACEBO COMPARATOR• Intravenous administration of placebo x 16 hours
Interventions
Administration of a 75 gm oral glucose tolerance test
Eligibility Criteria
You may qualify if:
- History:
- over the age of 18,
- normal pubertal development
- stable weight for previous three months,
- normal body mass index (BMI between 18.5-25)
- regular menstrual cycles
- Physical examination:
- systolic BP \< 140 mm Hg, diastolic \< 90 mm Hg
- Laboratory studies: (per Massachusetts General Hospital reference ranges)
- normal hemoglobin
- hemoglobin A1C \< 6.5%
- blood urea nitrogen, creatinine not elevated
- aspartate aminotransferase, alanine aminotransferase \< 3x upper limit of normal
You may not qualify if:
- active illicit drug use,
- history of a medication reaction requiring emergency medical care,
- difficulty with blood draws.
- history of chronic disease, except well controlled thyroid disease,
- recent use of prescription medications which interfere with metabolism or reproduction (recent = within 5 half-lives of the drug). Use of levothyroxine or seasonal allergy medications is acceptable,
- history of diabetes in a first degree relative,
- use of contraceptive pills, patches or vaginal rings within last 4 weeks.
- hyperlipidemia by fasting lipid panel
- positive serum pregnancy test (for all women)
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Massachusetts General Hospital
Boston, Massachusetts, 02114, United States
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Limitations and Caveats
This was designed as a pilot study
Results Point of Contact
- Title
- Margaret Lippincott
- Organization
- Massachusetts General Hospital
Study Officials
- PRINCIPAL INVESTIGATOR
Margaret Lippincott, MD
Massachusetts General Hospital
Publication Agreements
- PI is Sponsor Employee
- No
- Restrictive Agreement
- No
Study Design
- Study Type
- interventional
- Phase
- phase 1
- Allocation
- RANDOMIZED
- Masking
- QUADRUPLE
- Who Masked
- PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
- Purpose
- OTHER
- Intervention Model
- CROSSOVER
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Chief, Reproductive Endocrine Unit; Professor of Medicine, Harvard Medical School; Director, Harvard Reproductive Endocrine Sciences Center
Study Record Dates
First Submitted
July 1, 2021
First Posted
July 12, 2021
Study Start
October 28, 2021
Primary Completion
October 31, 2022
Study Completion
October 31, 2022
Last Updated
March 6, 2026
Results First Posted
December 12, 2024
Record last verified: 2024-11
Data Sharing
- IPD Sharing
- Will not share